Triangle DEF is shown below.
Use the drop-down menu to explain how to determine the angle measures of any triangle that is similar to triangle DEF. Click the arrows to choose and answer from each menu.

A triangle similar to DEF will have an angle that measures *choose...* degrees, an angle that measures *choose...* degrees, and an angle that measures *choose...* degrees​

Respuesta :

Answer:

A triangle similar to DEF will have an angle that measures 45 degrees, an angle that measures 65 degrees, and an angle that measures 70 degrees​

Step-by-step explanation:

Given

See attachment for complete question

Required

Angles of a triangle similar to [tex]\triangle DE F[/tex]

First, calculate the angle at D

[tex]D + 110^o = 180^o[/tex] ---- angle on a straight line

Collect like terms

[tex]D = 180^o - 110^o[/tex]

[tex]D = 70^o[/tex]

Next, calculate the angle at F

[tex]F + 135^o = 180^o[/tex] ---- angle on a straight line

Collect like terms

[tex]F = 180^o -135^o[/tex]

[tex]F = 45^o[/tex]

Lastly, the angle at E

[tex]D + E + F = 180^o[/tex] --- angles in a triangle

Make E the subject

[tex]E = 180^o - D - F[/tex]

[tex]E = 180^o - 70^o - 45^o[/tex]

[tex]E = 65^o[/tex]

A triangle similar to [tex]\triangle DE F[/tex] will have 45, 70 and 65 degrees as its angles

Ver imagen MrRoyal
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